Discrete Semiconductor Products

BD438

Obsolete

ON Semiconductor

TRANS PNP 45V 4A TO126

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DocumentsDatasheet

Discrete Semiconductor Products

BD438

Obsolete

ON Semiconductor

TRANS PNP 45V 4A TO126

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	BD438

Current - Collector (Ic) (Max) [Max]	4 A
Current - Collector Cutoff (Max) [Max]	100 µA
DC Current Gain (hFE) (Min) @ Ic, Vce [Min]	85
Frequency - Transition	3 MHz
Mounting Type	Through Hole
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-55 °C
Package / Case	TO-225AA, TO-126-3
Power - Max [Max]	36 W
Supplier Device Package	TO-126
Transistor Type	PNP
Vce Saturation (Max) @ Ib, Ic [Max]	700 mV
Voltage - Collector Emitter Breakdown (Max)	45 V

BD438(LEGACY%20FAIRCHILD) Series

4.0 A, 45 V PNP Power Bipolar Junction Transistor

Part	Transistor Type	Current - Collector Cutoff (Max) [Max]	Voltage - Collector Emitter Breakdown (Max)	Power - Max [Max]	Supplier Device Package	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Mounting Type	DC Current Gain (hFE) (Min) @ Ic, Vce [Min]	Frequency - Transition	Vce Saturation (Max) @ Ib, Ic [Max]	Current - Collector (Ic) (Max) [Max]	Operating Temperature
ON Semiconductor BD438	PNP	100 µA	45 V	36 W	TO-126	-55 °C	150 °C	TO-126-3 TO-225AA	Through Hole	85	3 MHz	700 mV	4 A
ON Semiconductor BD438G	PNP	100 µA	45 V	36 W	TO-126	-55 °C	150 °C	TO-126-3 TO-225AA	Through Hole	85	3 MHz	700 mV	4 A
ON Semiconductor BD438STU	PNP	100 µA	45 V	36 W	TO-126-3			TO-126-3 TO-225AA	Through Hole	30	3 MHz	600 mV	4 A	150 °C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

BD438(LEGACY%20FAIRCHILD) Series

This series of plastic, medium-power 4.0 A PNP Power Bipolar Junction Transistors can be used for amplifier and switching applications. Complementary types are BD437 and BD441.Replacement Active Part Number:BD438

Documents

Technical documentation and resources